NHS North West Genomics
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NHS North West Genomics - Local Development build (v2.2.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Resource Profile: Observation Order

Official URL: https://fhir.nwgenomics.nhs.uk/StructureDefinition/ObservationOrder Version: 2.2.0
Draft as of 2026-09-20 Computable Name: ObservationOrder

Diagnostic - Core for use with test orders. Does not define categories

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier SΣ 1..* Identifier Business Identifier for observation
... status ?!Σ 1..1 code Observation Status (HL7 v2 OBX-11)
Binding: ObservationStatus (required): Codes providing the status of an observation.
... code Σ 1..1 CodeableConcept The type of observation (code / type). (HL7 v2 OBX-3)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
.... reference SΣC 1..1 string Literal reference, Relative, internal or absolute URL
.... identifier Σ 0..1 NHSIdentifier Logical reference, when literal reference is not known
... encounter SΣ 0..1 Reference(Encounter) Healthcare event during which this observation is made
.... identifier OΣ 0..1 CorrelationIdentifier Logical reference, when literal reference is not known
ObligationsActor
SHALL:populate-if-known Order Filler
SHALL:populate-if-known Order Placer
SHALL:populate-if-known Automation Manager
... effective[x] OΣ 0..1 Clinically relevant time/time-period for observation (HL7 v2 OBX-14)
ObligationsActor
SHOULD:populate-if-known Order Filler
SHOULD:populate-if-known Order Placer
SHOULD:populate-if-known Automation Manager
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
... performer Σ 0..* Reference(PractitionerRole) Who is responsible for the observation
... Slices for value[x] ΣC 0..1 Actual result (HL7 v2 OBX-5)
Slice: Unordered, Open by type:$this
.... valueQuantity Quantity
.... valueCodeableConcept CodeableConcept
.... valueString string
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
.... value[x]:valueCodeableConcept SΣC 0..1 CodeableConcept Actual result
.... value[x]:valueQuantity SΣC 0..1 Quantity Actual result
.... value[x]:valueDateTime SΣC 0..1 dateTime Actual result
.... value[x]:valueString SΣC 0..1 string Actual result
... derivedFrom Σ 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
Slice: Unordered, Open by profile:resolve()

doco Documentation for this format
NameOrder FillerOrder PlacerAutomation Managerdoco
.. Observation
... encounter
.... identifier
... effective[x]
... Slices for value[x]

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.code Base example LOINC Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation 0..* Observation Measurements and simple assertions
... identifier S 1..* Identifier Business Identifier for observation
... status 1..1 code Observation Status (HL7 v2 OBX-11)
... code 1..1 CodeableConcept The type of observation (code / type). (HL7 v2 OBX-3)
... subject S 1..1 Reference(Patient) Who and/or what the observation is about
.... reference S 1..1 string Literal reference, Relative, internal or absolute URL
.... identifier 0..1 NHSIdentifier Logical reference, when literal reference is not known
... encounter S 0..1 Reference(Encounter) Healthcare event during which this observation is made
.... identifier O 0..1 CorrelationIdentifier Logical reference, when literal reference is not known
ObligationsActor
SHALL:populate-if-known Order Filler
SHALL:populate-if-known Order Placer
SHALL:populate-if-known Automation Manager
... effective[x] O 0..1 dateTime, Period, Timing, instant Clinically relevant time/time-period for observation (HL7 v2 OBX-14)
ObligationsActor
SHOULD:populate-if-known Order Filler
SHOULD:populate-if-known Order Placer
SHOULD:populate-if-known Automation Manager
... performer 0..* Reference(PractitionerRole) Who is responsible for the observation
... Slices for value[x] 0..1 Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period Actual result (HL7 v2 OBX-5)
Slice: Unordered, Open by type:$this
.... value[x]:valueCodeableConcept S 0..1 CodeableConcept Actual result
.... value[x]:valueQuantity S 0..1 Quantity Actual result
.... value[x]:valueDateTime S 0..1 dateTime Actual result
.... value[x]:valueString S 0..1 string Actual result
... derivedFrom 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
Slice: Unordered, Open by profile:resolve()

doco Documentation for this format
NameOrder FillerOrder PlacerAutomation Managerdoco
.. Observation
... encounter
.... identifier
... effective[x]
... Slices for value[x]

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier SΣ 1..* Identifier Business Identifier for observation
... basedOn Σ 0..* Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
... partOf Σ 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
... status ?!Σ 1..1 code Observation Status (HL7 v2 OBX-11)
Binding: ObservationStatus (required): Codes providing the status of an observation.
... category 0..* CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
... code Σ 1..1 CodeableConcept The type of observation (code / type). (HL7 v2 OBX-3)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... reference SΣC 1..1 string Literal reference, Relative, internal or absolute URL
.... type Σ 0..1 uri Type the reference refers to (e.g. "Patient")
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
.... identifier Σ 0..1 NHSIdentifier Logical reference, when literal reference is not known
.... display Σ 0..1 string Text alternative for the resource
... focus Σ 0..* Reference(Resource) What the observation is about, when it is not about the subject of record
... encounter SΣ 0..1 Reference(Encounter) Healthcare event during which this observation is made
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... reference ΣC 0..1 string Literal reference, Relative, internal or absolute URL
.... type Σ 0..1 uri Type the reference refers to (e.g. "Patient")
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
.... identifier OΣ 0..1 CorrelationIdentifier Logical reference, when literal reference is not known
ObligationsActor
SHALL:populate-if-known Order Filler
SHALL:populate-if-known Order Placer
SHALL:populate-if-known Automation Manager
.... display Σ 0..1 string Text alternative for the resource
... effective[x] OΣ 0..1 Clinically relevant time/time-period for observation (HL7 v2 OBX-14)
ObligationsActor
SHOULD:populate-if-known Order Filler
SHOULD:populate-if-known Order Placer
SHOULD:populate-if-known Automation Manager
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
... issued Σ 0..1 instant Date/Time this version was made available
... performer Σ 0..* Reference(PractitionerRole) Who is responsible for the observation
... Slices for value[x] ΣC 0..1 Actual result (HL7 v2 OBX-5)
Slice: Unordered, Open by type:$this
.... valueQuantity Quantity
.... valueCodeableConcept CodeableConcept
.... valueString string
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
.... value[x]:valueCodeableConcept SΣC 0..1 CodeableConcept Actual result
.... value[x]:valueQuantity SΣC 0..1 Quantity Actual result
.... value[x]:valueDateTime SΣC 0..1 dateTime Actual result
.... value[x]:valueString SΣC 0..1 string Actual result
... dataAbsentReason C 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
... interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
... note 0..* Annotation Comments about the observation
... bodySite 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
... method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
... specimen 0..1 Reference(Specimen) Specimen used for this observation
... device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
... referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... low C 0..1 SimpleQuantity(4.0.1) Low Range, if relevant
.... high C 0..1 SimpleQuantity(4.0.1) High Range, if relevant
.... type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
.... appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
.... age 0..1 Range Applicable age range, if relevant
.... text 0..1 string Text based reference range in an observation
... hasMember Σ 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group
... derivedFrom Σ 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
Slice: Unordered, Open by profile:resolve()
... component Σ 0..* BackboneElement Component results
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... value[x] Σ 0..1 Actual component result
..... valueQuantity Quantity
..... valueCodeableConcept CodeableConcept
..... valueString string
..... valueBoolean boolean
..... valueInteger integer
..... valueRange Range
..... valueRatio Ratio
..... valueSampledData SampledData
..... valueTime time
..... valueDateTime dateTime
..... valuePeriod Period
.... dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
.... referenceRange 0..* See referenceRange (Observation) Provides guide for interpretation of component result

doco Documentation for this format
NameOrder FillerOrder PlacerAutomation Managerdoco
.. Observation
... encounter
.... identifier
... effective[x]
... Slices for value[x]

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.category Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.code Base example LOINC Codes 📍4.0.1 FHIR Std.
Observation.subject.​type Base extensible ResourceType 📍4.0.1 FHIR Std.
Observation.encounter.​type Base extensible ResourceType 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.
Observation.bodySite Base example SNOMED CT Body Structures 📍4.0.1 FHIR Std.
Observation.method Base example Observation Methods 📍4.0.1 FHIR Std.
Observation.referenceRange.​type Base preferred Observation Reference Range Meaning Codes 📍4.0.1 FHIR Std.
Observation.referenceRange.​appliesTo Base example Observation Reference Range Applies To Codes 📍4.0.1 FHIR Std.
Observation.component.​code Base example LOINC Codes 📍4.0.1 FHIR Std.
Observation.component.​dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.component.​interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression

Summary

Mandatory: 3 elements
Must-Support: 8 elements

Structures

This structure refers to these other structures:

Slices

This structure defines the following Slices:

  • The element 1 is sliced based on the value of Observation.value[x]
  • The element 1 is sliced based on the value of Observation.derivedFrom

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier SΣ 1..* Identifier Business Identifier for observation
... status ?!Σ 1..1 code Observation Status (HL7 v2 OBX-11)
Binding: ObservationStatus (required): Codes providing the status of an observation.
... code Σ 1..1 CodeableConcept The type of observation (code / type). (HL7 v2 OBX-3)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
.... reference SΣC 1..1 string Literal reference, Relative, internal or absolute URL
.... identifier Σ 0..1 NHSIdentifier Logical reference, when literal reference is not known
... encounter SΣ 0..1 Reference(Encounter) Healthcare event during which this observation is made
.... identifier OΣ 0..1 CorrelationIdentifier Logical reference, when literal reference is not known
ObligationsActor
SHALL:populate-if-known Order Filler
SHALL:populate-if-known Order Placer
SHALL:populate-if-known Automation Manager
... effective[x] OΣ 0..1 Clinically relevant time/time-period for observation (HL7 v2 OBX-14)
ObligationsActor
SHOULD:populate-if-known Order Filler
SHOULD:populate-if-known Order Placer
SHOULD:populate-if-known Automation Manager
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
... performer Σ 0..* Reference(PractitionerRole) Who is responsible for the observation
... Slices for value[x] ΣC 0..1 Actual result (HL7 v2 OBX-5)
Slice: Unordered, Open by type:$this
.... valueQuantity Quantity
.... valueCodeableConcept CodeableConcept
.... valueString string
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
.... value[x]:valueCodeableConcept SΣC 0..1 CodeableConcept Actual result
.... value[x]:valueQuantity SΣC 0..1 Quantity Actual result
.... value[x]:valueDateTime SΣC 0..1 dateTime Actual result
.... value[x]:valueString SΣC 0..1 string Actual result
... derivedFrom Σ 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
Slice: Unordered, Open by profile:resolve()

doco Documentation for this format
NameOrder FillerOrder PlacerAutomation Managerdoco
.. Observation
... encounter
.... identifier
... effective[x]
... Slices for value[x]

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.code Base example LOINC Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression

Differential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation 0..* Observation Measurements and simple assertions
... identifier S 1..* Identifier Business Identifier for observation
... status 1..1 code Observation Status (HL7 v2 OBX-11)
... code 1..1 CodeableConcept The type of observation (code / type). (HL7 v2 OBX-3)
... subject S 1..1 Reference(Patient) Who and/or what the observation is about
.... reference S 1..1 string Literal reference, Relative, internal or absolute URL
.... identifier 0..1 NHSIdentifier Logical reference, when literal reference is not known
... encounter S 0..1 Reference(Encounter) Healthcare event during which this observation is made
.... identifier O 0..1 CorrelationIdentifier Logical reference, when literal reference is not known
ObligationsActor
SHALL:populate-if-known Order Filler
SHALL:populate-if-known Order Placer
SHALL:populate-if-known Automation Manager
... effective[x] O 0..1 dateTime, Period, Timing, instant Clinically relevant time/time-period for observation (HL7 v2 OBX-14)
ObligationsActor
SHOULD:populate-if-known Order Filler
SHOULD:populate-if-known Order Placer
SHOULD:populate-if-known Automation Manager
... performer 0..* Reference(PractitionerRole) Who is responsible for the observation
... Slices for value[x] 0..1 Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period Actual result (HL7 v2 OBX-5)
Slice: Unordered, Open by type:$this
.... value[x]:valueCodeableConcept S 0..1 CodeableConcept Actual result
.... value[x]:valueQuantity S 0..1 Quantity Actual result
.... value[x]:valueDateTime S 0..1 dateTime Actual result
.... value[x]:valueString S 0..1 string Actual result
... derivedFrom 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
Slice: Unordered, Open by profile:resolve()

doco Documentation for this format
NameOrder FillerOrder PlacerAutomation Managerdoco
.. Observation
... encounter
.... identifier
... effective[x]
... Slices for value[x]

doco Documentation for this format

Snapshot ViewView

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier SΣ 1..* Identifier Business Identifier for observation
... basedOn Σ 0..* Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
... partOf Σ 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
... status ?!Σ 1..1 code Observation Status (HL7 v2 OBX-11)
Binding: ObservationStatus (required): Codes providing the status of an observation.
... category 0..* CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
... code Σ 1..1 CodeableConcept The type of observation (code / type). (HL7 v2 OBX-3)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... reference SΣC 1..1 string Literal reference, Relative, internal or absolute URL
.... type Σ 0..1 uri Type the reference refers to (e.g. "Patient")
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
.... identifier Σ 0..1 NHSIdentifier Logical reference, when literal reference is not known
.... display Σ 0..1 string Text alternative for the resource
... focus Σ 0..* Reference(Resource) What the observation is about, when it is not about the subject of record
... encounter SΣ 0..1 Reference(Encounter) Healthcare event during which this observation is made
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... reference ΣC 0..1 string Literal reference, Relative, internal or absolute URL
.... type Σ 0..1 uri Type the reference refers to (e.g. "Patient")
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
.... identifier OΣ 0..1 CorrelationIdentifier Logical reference, when literal reference is not known
ObligationsActor
SHALL:populate-if-known Order Filler
SHALL:populate-if-known Order Placer
SHALL:populate-if-known Automation Manager
.... display Σ 0..1 string Text alternative for the resource
... effective[x] OΣ 0..1 Clinically relevant time/time-period for observation (HL7 v2 OBX-14)
ObligationsActor
SHOULD:populate-if-known Order Filler
SHOULD:populate-if-known Order Placer
SHOULD:populate-if-known Automation Manager
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
... issued Σ 0..1 instant Date/Time this version was made available
... performer Σ 0..* Reference(PractitionerRole) Who is responsible for the observation
... Slices for value[x] ΣC 0..1 Actual result (HL7 v2 OBX-5)
Slice: Unordered, Open by type:$this
.... valueQuantity Quantity
.... valueCodeableConcept CodeableConcept
.... valueString string
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
.... value[x]:valueCodeableConcept SΣC 0..1 CodeableConcept Actual result
.... value[x]:valueQuantity SΣC 0..1 Quantity Actual result
.... value[x]:valueDateTime SΣC 0..1 dateTime Actual result
.... value[x]:valueString SΣC 0..1 string Actual result
... dataAbsentReason C 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
... interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
... note 0..* Annotation Comments about the observation
... bodySite 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
... method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
... specimen 0..1 Reference(Specimen) Specimen used for this observation
... device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
... referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... low C 0..1 SimpleQuantity(4.0.1) Low Range, if relevant
.... high C 0..1 SimpleQuantity(4.0.1) High Range, if relevant
.... type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
.... appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
.... age 0..1 Range Applicable age range, if relevant
.... text 0..1 string Text based reference range in an observation
... hasMember Σ 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group
... derivedFrom Σ 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
Slice: Unordered, Open by profile:resolve()
... component Σ 0..* BackboneElement Component results
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... value[x] Σ 0..1 Actual component result
..... valueQuantity Quantity
..... valueCodeableConcept CodeableConcept
..... valueString string
..... valueBoolean boolean
..... valueInteger integer
..... valueRange Range
..... valueRatio Ratio
..... valueSampledData SampledData
..... valueTime time
..... valueDateTime dateTime
..... valuePeriod Period
.... dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
.... referenceRange 0..* See referenceRange (Observation) Provides guide for interpretation of component result

doco Documentation for this format
NameOrder FillerOrder PlacerAutomation Managerdoco
.. Observation
... encounter
.... identifier
... effective[x]
... Slices for value[x]

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.category Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.code Base example LOINC Codes 📍4.0.1 FHIR Std.
Observation.subject.​type Base extensible ResourceType 📍4.0.1 FHIR Std.
Observation.encounter.​type Base extensible ResourceType 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.
Observation.bodySite Base example SNOMED CT Body Structures 📍4.0.1 FHIR Std.
Observation.method Base example Observation Methods 📍4.0.1 FHIR Std.
Observation.referenceRange.​type Base preferred Observation Reference Range Meaning Codes 📍4.0.1 FHIR Std.
Observation.referenceRange.​appliesTo Base example Observation Reference Range Applies To Codes 📍4.0.1 FHIR Std.
Observation.component.​code Base example LOINC Codes 📍4.0.1 FHIR Std.
Observation.component.​dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.component.​interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression

Summary

Mandatory: 3 elements
Must-Support: 8 elements

Structures

This structure refers to these other structures:

Slices

This structure defines the following Slices:

  • The element 1 is sliced based on the value of Observation.value[x]
  • The element 1 is sliced based on the value of Observation.derivedFrom

 

Other representations of profile: CSV, Excel, Schematron